CVE-2024-9644

Medium PUBLISHED

Four-Faith F3x36 bapply.cgi Auth Bypass

Four-Faith · F3x36

Not yet in CISA KEV

Exploited in the wild

Recommended Action

Treat as actively exploited. Assess exposure, apply compensating controls where patching is delayed, and monitor for abuse.

Confidence
Medium
Exploitation Status
Exploited in the wild
Observed in Sensors
No
Attempts (30d)
Unique Attacker IPs
CISA KEV
Not yet in CISA KEV
CVSS / EPSS
9.8 Critical

At a Glance

The Four-Faith F3x36 router using firmware v2.0.0 is vulnerable to an authentication bypass vulnerability in the administrative web server. Authentication is not enforced on some administrative functionality when using the "bapply.cgi" endpoint instead of the normal "apply.cgi" endpoint. A remote and unauthenticated can use this vulnerability to modify settings or chain with existing authenticated vulnerabilities.

Published
Feb 04, 2025
First Seen
Jun 18, 2025
CVSS
9.8 Critical
EPSS
Remote Low complexity No user interaction Unauthenticated

Recommended Actions

  • Treat as actively exploited. Assess exposure, apply compensating controls where patching is delayed, and monitor for abuse.
  • Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.